package com.haoxuer.discover.user.controller.admin;


import com.haoxuer.discover.data.page.Filter;
import com.haoxuer.discover.data.page.Order;
import com.haoxuer.discover.data.page.Page;
import com.haoxuer.discover.data.page.Pageable;
import com.haoxuer.discover.user.data.entity.Menu;
import com.haoxuer.discover.user.data.service.MenuService;
import java.util.List;
import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

/**
 * Created by imake on 2017年07月21日14:37:30.
 */
@Controller
public class MenuAction {
  
  public static final String MODEL = "model";
  
  private static final Logger log = LoggerFactory.getLogger(MenuAction.class);
  
  @Autowired
  private MenuService manager;
  
  @RequiresPermissions("menu")
  @RequestMapping("/admin/menu/view_list")
  public String list(Pageable pageable, @RequestParam(value = "pid", defaultValue = "1") Integer pid, ModelMap model) {
    
    if (pageable != null) {
      if (pageable.getOrders() == null || pageable.getOrders().isEmpty()) {
        pageable.getOrders().add(Order.asc("sortNum"));
      }
      pageable.getFilters().add(Filter.eq("parent.id", pid));
    }
    Page<Menu> pagination = manager.page(pageable);
    List<Menu> tops = manager.findByTops(pid);
    if (tops.size() == 0 && pid == 1) {
      Menu root = new Menu();
      root.setName("根节点");
      root.setLevelInfo(1);
      root.setCode("");
      root.setSortNum(0);
      manager.save(root);
    }
    model.addAttribute("tops", tops);
    model.addAttribute("list", pagination.getContent());
    model.addAttribute("page", pagination);
    model.addAttribute("pid", pid);
    return "/admin/menu/list";
  }
  
  @RequiresPermissions("menu")
  @RequestMapping("/admin/menu/view_add")
  public String add(ModelMap model) {
    return "/admin/menu/add";
  }
  
  @RequiresPermissions("menu")
  @RequestMapping("/admin/menu/view_edit")
  public String edit(Pageable pageable, Integer id, ModelMap model) {
    model.addAttribute(MODEL, manager.findById(id));
    model.addAttribute("page", pageable);
    return "/admin/menu/edit";
  }
  
  @RequiresPermissions("menu")
  @RequestMapping("/admin/menu/view_view")
  public String view(Integer id, ModelMap model) {
    model.addAttribute(MODEL, manager.findById(id));
    return "/admin/menu/view";
  }
  
  @RequiresPermissions("menu")
  @RequestMapping("/admin/menu/model_save")
  public String save(Pageable pageable, Menu bean, RedirectAttributes redirectAttributes, ModelMap model) {
    
    String view = "redirect:/admin/menu/view_list.htm";
    try {
      manager.save(bean);
      redirectAttributes.addAttribute("pid", bean.getParentId());
      redirectAttributes.addAttribute("pageNumber", pageable.getPageNumber());
    } catch (Exception e) {
      log.error("保存失败", e);
      model.addAttribute("erro", e.getMessage());
      view = "/admin/menu/add";
    }
    return view;
  }
  
  @RequiresPermissions("menu")
  @RequestMapping("/admin/menu/model_update")
  public String update(Pageable pageable, RedirectAttributes redirectAttributes, Menu bean, ModelMap model) {
    
    String view = "redirect:/admin/menu/view_list.htm";
    try {
      manager.update(bean);
      redirectAttributes.addAttribute("pid", bean.getParentId());
      redirectAttributes.addAttribute("pageNumber", pageable.getPageNumber());
    } catch (Exception e) {
      log.error("更新失败", e);
      model.addAttribute("erro", e.getMessage());
      model.addAttribute(MODEL, bean);
      model.addAttribute("page", pageable);
      view = "/admin/menu/edit";
    }
    return view;
  }
  
  @RequiresPermissions("menu")
  @RequestMapping("/admin/menu/model_delete")
  public String delete(Pageable pageable, Integer id, ModelMap model) {
    
    try {
      manager.deleteById(id);
    } catch (DataIntegrityViolationException e) {
      log.error("删除失败", e);
      model.addAttribute("erro", "该条数据不能删除，请先删除和他相关的类容!");
    }
    
    return list(pageable, 1, model);
  }
  
  @RequiresPermissions("menu")
  @RequestMapping("/admin/menu/model_deletes")
  public String deletes(Pageable pageable, Integer[] ids, ModelMap model) {
    
    try {
      manager.deleteByIds(ids);
    } catch (DataIntegrityViolationException e) {
      log.error("批量删除失败", e);
      model.addAttribute("erro", "该条数据不能删除，请先删除和他相关的类容!");
    }
    return list(pageable, 1, model);
  }
  
}